Twin Disc

Twin Disc designs, manufactures and delivers fully integrated marine propulsion solutions. Whether you're piloting pleasure craft, managing commercial fleets or commanding military marine vessels, Twin Disc offers unparalleled engineering expertise in transmissions, propulsion systems and controls, ensuring you move through the water with exceptional power, efficiency and precision. Our team engineers these solutions for superior performance, reliability, and control, building them around either shaft line systems or surface drive technologies. We offer a comprehensive range of products— including hybrid and electric systems—designed to meet the exacting demands of diverse marine applications and support the growing need for solutions that lower emissions and enhance efficiency. Our portfolio includes industry-leading solutions such as Quickshift® Transmissions, Arneson® Surface Drives, Rolla® Propellers, the Express Joystick System®, Express Positioning®, Bow Thrusters and Rudders—each engineered to deliver precision, performance, and reliability for demanding marine environments.

Twin Disc meticulously engineers and manufactures all marine products to operate in perfect harmony, creating an unmatched level of operational synergy. This seamless integration allows you to customize your propulsion systems to meet specific performance and operational requirements, delivering optimal results in every maritime environment.

Twin Disc is committed to partnering with you from the earliest stages of system design consultation through application development and ongoing in-service support. By involving Twin Disc early in your project, you ensure a lifetime of enhanced operating value and optimized total cost of ownership. Our mission is to maximize your craft's performance, reliability, and safety during its operational life.

For expert assistance with specific applications or to explore how Twin Disc can support your propulsion needs, please contact [email protected].

At Twin Disc, our core values—customer focus, integrity, accountability, teamwork, and innovation—guide how we work and how we serve our partners. We continue to strengthen our leadership and cross‑functional collaboration to ensure every team is aligned around these principles.

For more than a century, Twin Disc has helped customers put power to work through inventive design, precision manufacturing, and rugged, application‑ready solutions. Since 1918, our products have improved the productivity and reliability of machines across industries by efficiently managing the power that drives them.

Looking ahead, our values remain the foundation of our future. They shape our commitment to delivering customized industrial solutions that offer superior performance, long service life, and dependable reliability—because when it comes to managing horsepower in all its forms, no one does it better than Twin Disc.